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Pyrope
Pyrope

Tugtupite
Tugtupite



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Pyrope
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Tugtupite

Pyrope and Tugtupite Optical Properties

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Optical Properties

Luster

Greasy, Vitreous
-

Pleochroism

None
ModerateArthur Thomas

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
OpaqueHerve Nicolas Lazzarelli

Refractive Index

1.720-1.7561.494-1.504
1 3.25
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Optic Character

-
-

Crystal System

cubic
tetragonal

Birefringence

-99990.008
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
OpaqueHerve Nicolas Lazzarelli

Pyrope and Tugtupite Optic Character

Pyrope and Tugtupite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Pyrope and Tugtupite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Pyrope and Tugtupite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Pyrope and Tugtupite Transparency

Similar to their colors, Pyrope and Tugtupite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Pyrope is while Pyrope is in appearance.